1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Brilliant_brown [7]
3 years ago
9

What evidence did Mendeleev use to decide that the alkali metals should be in the same group?

Chemistry
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

they all reacted the same

Explanation:

You might be interested in
Someone thought there was water in Beaker C. He drank some and quickly spat out.He said that it was salty. Explain why this happ
fomenos

Answer:

He assumed wrongly

Explanation:

It happened this way because the person assumed wrongly.

Most other compounds have the same physical appearance as water especially when in liquid form.

  • This can be a very tricky one in the laboratory.
  • The sense of taste is not the best way to fathom what a particular compound is made up of.
  • This is the reason why this student or person faced this sort of problem.
  • Water has different properties that can be tested for using simple techniques in the laboratory.
4 0
3 years ago
WILL GIVE BRAINLIEST TO PERSON WHO ANSWERS FASTEST AND CORRECT BUT ANY ANSWERS TO JUST GET POINTS WILL GET REPORTED AND DELETED
AleksandrR [38]

Answer:

B

Explanation:

When water is at the surface of the ground, it evaporates and goes back to the clouds for which causes it to rain therefore returning water back.

3 0
3 years ago
What are 3 characteristics of cnidarians?
patriot [66]
Tentacles with stinging cells, 2 body layers (ectoderm & endoderm), radially symmetric
5 0
3 years ago
What do all codes such as morse and brallie have in common
astra-53 [7]

Answer: Morse code and Braille use representations to form messages.

Explanation:

- they both have military roots.

-also a similarity is that braille letters are made of 1 to 6 dots, and Morse code is also made of 1 to 6 dots and dashes

-

4 0
4 years ago
In water, naoh almost completely separates into na+ and oh- ions. thus, naoh is _____.​
stepan [7]
<span>In water, naoh almost completely separates into na+ and oh- ions. thus, naoh is Stong base.
Strong bases and strong acids completely ionized in the water,So when NaOH is added into water, it is completely ionized and forms Na+ and OH- ions and it shows that it is a strong base.</span>
3 0
3 years ago
Other questions:
  • Balanced chemical equations show:
    10·1 answer
  • A primary amine contains a five-membered carbon ring. The degree of unsaturation for the five-membered carbon ring is equal to t
    6·1 answer
  • The combustion of ________ has added great quantities of carbon dioxide to the atmosphere. Group of answer choices
    14·1 answer
  • Which of the following is the ultimate byproduct of weathering?
    9·2 answers
  • How would the energy needs of a cell be compared to the energy needs of a city ?
    14·1 answer
  • Which of the following phase changes is exothermic?
    9·1 answer
  • 13.8g element consist 4.6 ×10^22 atoms what is atomic mass of element?​
    9·2 answers
  • Can anybody do this?
    9·1 answer
  • What flows directly into the ocean? *
    14·2 answers
  • Qeoahefji
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!